PDO_DBLIB DSN

Connecting to Microsoft SQL Server and Sybase databases

The PDO_DBLIB Data Source Name (DSN) is composed of the following elements:

DSN prefix: The DSN prefix is sybase: if PDO_DBLIB was linked against the Sybase ct-lib libraries, mssql: if PDO_DBLIB was linked against the Microsoft SQL Server libraries, or dblib: if PDO_DBLIB was linked against the FreeTDS libraries.
host: The hostname on which the database server resides. Defaults to 127.0.0.1.
dbname: The name of the database.
charset: The client character set.
appname: The application name (used in sysprocesses). Defaults to "PHP Generic DB-lib" or "PHP freetds".
secure: Currently unused.

Example #1 PDO_DBLIB DSN examples

The following examples show a PDO_DBLIB DSN for connecting to Microsoft SQL Server and Sybase databases:

mssql:host=localhost;dbname=testdb
sybase:host=localhost;dbname=testdb
dblib:host=localhost;dbname=testdb